package com.atguigu.service;

import com.atguigu.pojo.User;

import java.util.List;

/**
 * @ClassNAME UserService
 * @Description
 * @Author wuyafeng atguigu
 * @Date 2021/11/11 11:00
 * @Version 1.0
 **/
public interface UserService {
    List<User> findUsers();

    User findUserById(Integer id);

    void saveUser(User user);

    void updateUser(User user);

    void deleteUserById(Integer id);
}
